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Fundamental Properties of Asynchronous Multiplexing for Fiber Optic Adaptive Digital Transmission Yoshitaka TAKASAKI Mitsuo TANAKA Katsuyuki NAGANO Yasushi TAKAHASHI Publication IEICE TRANSACTIONS (1976-1990) Vol.E64 No.3 pp.109-114 Publication Date: 1981/03/25 Online ISSN: DOI: Print ISSN: 0000-0000 Type of Manuscript: PAPER Category: Transmission Systems Keyword: Full Text: PDF>>
Summary: Candidate plans for adaptive digital transmission are briefly reviewed. It is suggested that adaptive format transmission with asynchronous multiplexing capability is attractive and promising from the standpoint of practical application. Feasibility and efficiency of this new transmission plan are investigated. A formula for predicting the minimum required transmission rate is derived. Upper and lower bounds of transmission efficiencies are analysed. A signal distributing technique for improving transmission efficiency is also developed. Investigation of memory requirements anticipates the possibility of simple implementations for format conversion and reconversion. Results of simulations prove the reliability of theoretical predictions. Fiber optic transmission is expected to be suitable for realizing this new communications concept. | |||||
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